diff options
Diffstat (limited to 'dts/src/arm64/freescale/imx8mp-evk.dts')
| -rw-r--r-- | dts/src/arm64/freescale/imx8mp-evk.dts | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/dts/src/arm64/freescale/imx8mp-evk.dts b/dts/src/arm64/freescale/imx8mp-evk.dts index 2eb9432106..4c3ac4214a 100644 --- a/dts/src/arm64/freescale/imx8mp-evk.dts +++ b/dts/src/arm64/freescale/imx8mp-evk.dts @@ -294,9 +294,46 @@ reg = <0x20>; gpio-controller; #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pca6416_int>; + interrupt-parent = <&gpio1>; + interrupts = <12 IRQ_TYPE_LEVEL_LOW>; + gpio-line-names = "EXT_PWREN1", + "EXT_PWREN2", + "CAN1/I2C5_SEL", + "PDM/CAN2_SEL", + "FAN_EN", + "PWR_MEAS_IO1", + "PWR_MEAS_IO2", + "EXP_P0_7", + "EXP_P1_0", + "EXP_P1_1", + "EXP_P1_2", + "EXP_P1_3", + "EXP_P1_4", + "EXP_P1_5", + "EXP_P1_6", + "EXP_P1_7"; }; }; +/* I2C on expansion connector J22. */ +&i2c5 { + clock-frequency = <100000>; /* Lower clock speed for external bus. */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c5>; + status = "disabled"; /* can1 pins conflict with i2c5 */ + + /* GPIO 2 of PCA6416 is used to switch between CAN1 and I2C5 functions: + * LOW: CAN1 (default, pull-down) + * HIGH: I2C5 + * You need to set it to high to enable I2C5 (for example, add gpio-hog + * in pca6416 node). + */ +}; + &snvs_pwrkey { status = "okay"; }; @@ -442,12 +479,25 @@ >; }; + pinctrl_i2c5: i2c5grp { + fsl,pins = < + MX8MP_IOMUXC_SPDIF_RX__I2C5_SDA 0x400001c3 + MX8MP_IOMUXC_SPDIF_TX__I2C5_SCL 0x400001c3 + >; + }; + pinctrl_pmic: pmicgrp { fsl,pins = < MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x000001c0 >; }; + pinctrl_pca6416_int: pca6416_int_grp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x146 /* Input pull-up. */ + >; + }; + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp { fsl,pins = < MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x41 |